[BeBe]

I assume it's stamped on the block somewhere?

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[BeBe]

If I'm checking for "matching numbers", what do I compare the windshield pillar VIN to?  Located where?

 

Appreciate any help.

 

Greg

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[94SilverCab]

I tried to research this a bit this morning. I don't believe that the VIN is on the block. Sorry, not sure how you tell if the car is "Numbers Matching".

 

Jay

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[ds968]

Out of curiosity ...why ?    Any concern the engine may have been swapped with another one at some point in the car's life  ?   ( That would be the only reason I guess...)  

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[az968]

Collectors value cars which have "matching" in which the engine, transmission and body are "matching numbers".


I guess if you ran a Porshce Cert of Auth you might get the numbers to match what on the vehicle. It won't be a VIN but a engine number.

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[BeBe]

Thanks. I have no concern, but a potential buyer asked.

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[az968]

I'm still trying to find out where the engine number is, just asked a guy in the Porsche parts department.

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[ampegboy1]

The owner's manual says the engine number is on the rear-right of the crankcase, it's below the exhaust pipe for cylinder #4 on mine.

 

Michael

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[az968]

Here it is.

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[94SilverCab]

I saw that pic, but it's a 944.

 

Jay

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[az968]

I think the 968 number is as shown on the right side picture.  I haven't had time to look at my car.

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[BeBe]

So, based on what az968 said above, finding the stamping on the engine doesn't necessarily tell me anything.  I still have to get the certificate of authenticity.  Looks like that would cost $85 from PCNA.  Any other way to get that info?

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[az968]

I have a reference book that lists the engine number series for 92 and 93 models, but all that would tell you is that the engine in your car is in the correct series for that year, but doesn't tie engine number to VIN. I don't know if a COA will show that level of detail, maybe a Porsche dealer or their parts department might know how to get that info.


Jeff Coe might have that info but never heard him mention he does.

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[MCL968]

If you consider the logic in place here, that it is important for collector value to have the engine that matches the car, but there is no easily available record of which engine went in each car, the question therefore becomes moot.

 

Add to that the simple fact that there are very few of these cars around, and entire engine swaps would be statistically rare because the typical problem of valve piston collisions do not require replacing the engine, just rebuilding the head.

 

What you get should be a greater concern that the head is the original one, not the engine block, and that the whole issue is probably unimportant since the data to show if the engine is original are not realistically available.

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[az968]

Right, Matt. I guess what you can show is that it is a period correct 968 engine, and not some Chevy engine swap. I would imagine somewhere in the factory records would be the serial number to VIN reference. Maybe PCNA could help with that.

 

The engine numbers for a 92 US model: 42N00001 - 200000 for manual transmission

42N50001 - 60000 for tiptronic.

 

And it appears the serial numbers actually started with 501 so a manual transmission engine with a serial number of 42N00604 would be the 104th engine in 1992.

 

Does this help?

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[BeBe]

I'll take a look when I get home.  At least I could see (without spending $) if it is from the correct year.

 

A prospective purchaser wants to buy and enter into Preservation Class events.  Maybe you need a COA to prove all the major components are original.  I have no experience with car shows.

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[BeBe]

I'm still not seeing it.  I have a D1R heat shield installed.  Is it possibly obscured by that?

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